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| KA/T 279-1994 (English Version) |
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Detail of KA/T 279-1994
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Introduction of KA/T 279-1994
本标准规定了利用比长式氮氧化物检测管测定氮氧化物(一氧化氮与二氧化氮)的方法。
本标准适用于测定矿井空气(或气体)中氮氧化物(一氧化氮与二氧化氮)的浓度。
注：氮氧化物浓度用ppm(V/V)表示,1ppm=0.0001%。
Contents of KA/T 279-1994